Author: DavidRobertsFormat: MarkdownItexI fixed up the DOI link for Johnstone's paper (at [[field]] and at [[local ring]]), since the geniuses at Elsevier use parentheses in their DOIs, which break markdown syntax.
For reference, one needs to replace `(nn)` in the DOI url by `%28nn%29`.

I fixed up the DOI link for Johnstone’s paper (at field and at local ring), since the geniuses at Elsevier use parentheses in their DOIs, which break markdown syntax.